04/01/2024
What is a Data Dictionary?
In SQL Server, the data dictionary is a set of database tables used to store information about a database’s definition.& The dictionary contains information about database objects such as tables, indexes, columns, datatypes, and views.
The data dictionary is used by SQL server to execute queries and is automatically updated whenever objects are added, removed, or changed within the database.
DATA DICTIONARY: A data dictionary is a file that defines the format of data in a fixed-width ASCII flat file. This is a collection of tables created and maintained by the Oracle Server. It contains database information.
A data dictionary is a documentation tool that provides metadata, metrics, or details about a database and the data within it.
What is a User table?
User Table is a Single table contains the User ID, Password, and Profile Information.
User table contains data about your company's customers, prospects, or products. For example, a user table might contain columns for customer account data such as Account ID, Account Type, and Balance. There are three types of user tables: Base tables, Dimension tables, and General tables.
